Starziq

2 Questions
0 Answers

0

85

3

+8

Log questions

1. Let x and b be positive real numbers so that \log_b(x^2) = 10. Find \log_{\sqrt[3]{b}} \left( \frac{1}{x} \right). 2. Let a, b, and c be the roots of 24x^3 - 121x^2 + 87x - 8 = 0. Find \log_3(a)+\log_3(b)+\log_3(c). I'm not really sure how to approach these read more ..

Starziq Mar 13, 2023

0

75

1

+8

Binomial Theorem question

For some real number a and some positive integer n, the first few terms in the expansion of (1 + ax)^n are \[1 - 20x + 150x^2 + cx^3 + \dotsb.\]Find c.

Starziq Mar 13, 2023